By Zara Woodcock Jamie Dornan admitted he’s ‘lucky to be alive’ after he encountered toxic caterpillars during a lads’ holiday. The Tourist actor, 41, was on holiday in Portugal with friends including Good Morning Britain presenter Gordon Smart, when he started suffering from heart attack symptoms which were most likely to have been caused by ‘toxic’ caterpillars. He had to be hospitalised due to the pain. His pal Gordon, 43, also experienced some of the symptoms while they were at the golfing resort. Doctors asked Gordon how much they had to drink the night before before concluding that the s…